<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			// for (var i = 0; i < 5; i++) {
			// 	for (var j = 0; j < 3; j++) {
			// 		console.log(i + "," + j);
			// 	}
			// }
			var s = '';
			for (var i = 0; i < 10; i++) {
				for (var j = 0; j < i; j++) {
					s = s + "#";
				}
				s = s + "\n";
			}
			console.log(s);
		</script>
	</head>
	<body>
	</body>
</html>
